Piotrowski, R. 2021. The Motif of Human Sacrifice. Interpretation of the Selected Folklore Sources from 19th and the beginning of 20th century. Literatura Ludowa. Journal of Folklore and Popular Culture. 64, 4-5 (Aug. 2021), 6–18. DOI:https://doi.org/10.12775/LL.4-5.2020.001.